package com.ly.framework.web.exception;

import com.ly.common.constant.HttpStatus;
import com.ly.common.core.domain.AjaxResult;
import com.ly.common.exception.BaseException;
import com.ly.common.exception.CustomException;
import com.ly.common.exception.DemoModeException;
import com.ly.common.utils.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.authentication.AccountExpiredException;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.validation.BindException;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.NoHandlerFoundException;

/**
 * 全局异常处理器
 * @author ruoyi
 */
@RestControllerAdvice
public class GlobalExceptionHandler {
    private static final Logger log = LoggerFactory.getLogger ( GlobalExceptionHandler.class );

    /**
     * 基础异常
     */
    @ExceptionHandler (BaseException.class)
    public AjaxResult baseException (BaseException e) {
        return AjaxResult.error ( e.getMessage () );
    }

    /**
     * 业务异常
     */
    @ExceptionHandler (CustomException.class)
    public AjaxResult businessException (CustomException e) {
        if ( StringUtils.isNull ( e.getCode () ) ) {
            return AjaxResult.error ( e.getMessage () );
        }
        return AjaxResult.error ( e.getCode (), e.getMessage () );
    }

    @ExceptionHandler (NoHandlerFoundException.class)
    public AjaxResult handlerNoFoundException (Exception e) {
        log.error ( e.getMessage (), e );
        return AjaxResult.error ( HttpStatus.NOT_FOUND, "路径不存在，请检查路径是否正确" );
    }

    @ExceptionHandler (AccessDeniedException.class)
    public AjaxResult handleAuthorizationException (AccessDeniedException e) {
        log.error ( e.getMessage () );
        return AjaxResult.error ( HttpStatus.FORBIDDEN, "没有权限，请联系管理员授权" );
    }

    @ExceptionHandler (AccountExpiredException.class)
    public AjaxResult handleAccountExpiredException (AccountExpiredException e) {
        log.error ( e.getMessage (), e );
        return AjaxResult.error ( e.getMessage () );
    }

    @ExceptionHandler (UsernameNotFoundException.class)
    public AjaxResult handleUsernameNotFoundException (UsernameNotFoundException e) {
        log.error ( e.getMessage (), e );
        return AjaxResult.error ( e.getMessage () );
    }

    @ExceptionHandler (Exception.class)
    public AjaxResult handleException (Exception e) {
        log.error ( e.getMessage (), e );
        return AjaxResult.error ( e.getMessage () );
    }

    /**
     * 自定义验证异常
     */
    @ExceptionHandler (BindException.class)
    public AjaxResult validatedBindException (BindException e) {
        log.error ( e.getMessage (), e );
        String message = e.getAllErrors ().get ( 0 ).getDefaultMessage ();
        return AjaxResult.error ( message );
    }

    /**
     * 自定义验证异常
     */
    @ExceptionHandler (MethodArgumentNotValidException.class)
    public Object validExceptionHandler (MethodArgumentNotValidException e) {
        log.error ( e.getMessage (), e );
        String message = e.getBindingResult ().getFieldError ().getDefaultMessage ();
        return AjaxResult.error ( message );
    }

    /**
     * 演示模式异常
     */
    @ExceptionHandler (DemoModeException.class)
    public AjaxResult demoModeException (DemoModeException e) {
        return AjaxResult.error ( "演示模式，不允许操作" );
    }
}
